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Questions and Answers
Which of the following is a periodic trend?
Which of the following is a periodic trend?
- Atomic number
- Atomic size (correct)
- Atomic weight
- Atomic charge
What is the atomic radius of a metal like sodium defined as?
What is the atomic radius of a metal like sodium defined as?
- The distance between the outermost electron and the nucleus
- The distance between adjacent nuclei in a crystal of the element (correct)
- The distance between the protons and neutrons in the nucleus
- The distance between the innermost electron and the nucleus
What happens to the atomic radii as you move from left to right across a period?
What happens to the atomic radii as you move from left to right across a period?
- They fluctuate
- They decrease (correct)
- They remain the same
- They increase
What happens to the atomic radii as you move down a group?
What happens to the atomic radii as you move down a group?
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Why do atomic radii generally increase as you move down a group?
Why do atomic radii generally increase as you move down a group?
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